28岁的威廉（格辛·安东尼饰）因祖父的一封来自丹麦的信，决定与好友杰瑞米（塞巴斯蒂安·阿梅斯托饰）及其他的女友（奥利维亚·格兰特饰）前往哥本哈根探寻自我。在根本哈根，威廉认识了当地女孩埃菲（Frederikke Dahl Hansen饰）并逐渐爱上了她。但是某日，威廉发现埃菲竟然只有14岁，他意识到要认真对待这份感情……After weeks of traveling through Europe the immature William finds himself at a crossroads in Copenhagen. Not just another European city, Copenhagen is also the birthplace of his father. When the youthful Effy befriends the older William they set off on an adventure to find William's grandfather. Effy's mix of youthful exuberance and wisdom challenges William unlike any woman ever has. As the attraction builds and William truly connects with someone for the first time in his life, he must come to grips with destabilizing elements of his family's sordid past.